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Smarter Bearing Selection Is Here

The Timken® Syber® Bearing System Designer Tool now features Smart Selection, enabling users to find the right bearing faster by filtering options based on target life and key dimensions.

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Analyze Bearing Performance in an Application with Timken® Syber® Bearing System Designer

A powerful software tool that combines calculators and configurators to assist you with application design, bearing selection, installation, and troubleshooting. It’s free, easy-to-use, and accessible 24/7.

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  • JE, JN, JES & JNS Type Sleeves for S-Flex Couplings - Imperial
  • JE, JN, JES & JNS Type Sleeves for S-Flex Couplings - Imperial-2
  • Lovejoy offers flexible sleeves for S-Flex Endurance couplings in three designs: one-piece solid, one-piece split, and two-piece with retaining ring
  • The one-piece split design provides solutions for applications with unique requirements where small shaft separations inhibit the installation of a one-piece solid sleeve
  • Pre-molded teeth along the diameter of the sleeve engage with teeth of the coupling flanges
  • No clamps or screws are needed to connect the flanges with the flexible sleeve which securely lock together under torque for smooth transmission of power
  • Torque is transmitted through shear loading of the sleeve
  • All three sleeve materials are highly elastic which permits the S-Flex coupling to protect connected equipment from harmful shock loading, vibration, and shaft misalignment
JE, JN, JES, JNS Sleeve Types
    These sleeves feature a one-piece design molded in EPDM & Neoprene rubber. In the case of JES & JNS Types, the one-piece design is split to provide for ease of installation and removal.
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Max. Bore (in)

Coupling Size

Sleeve Type

Part Number

Description 

Max. Bore

Coupling Size

Sleeve Type

Outside Diameter

Material

Dimension L

Nominal Torque

N/A 3JE-SLEEVE N/A 0.875 in N/A 3JE N/A JE N/A 1.880 in47.75 mm N/A EPDM N/A 1.000 in25.40 mm N/A 78 in·lb8.81 N·m
N/A 4JE-SLEEVE N/A 1.000 in N/A 4JE N/A JE N/A 2.310 in58.67 mm N/A EPDM N/A 1.250 in31.75 mm N/A 156 in·lb17.63 N·m
N/A 5JE-SLEEVE N/A 1.188 in N/A 5JE N/A JE N/A 2.940 in74.68 mm N/A EPDM N/A 1.560 in39.62 mm N/A 312 in·lb35.26 N·m
N/A 6JE-SLEEVE N/A 1.438 in N/A 6JE N/A JE N/A 3.75 in95.25 mm N/A EPDM N/A 1.880 in47.75 mm N/A 585 in·lb66.09 N·m
N/A 7JE-SLEEVE N/A 1.625 in N/A 7JE N/A JE N/A 4.340 in110.24 mm N/A EPDM N/A 2.190 in55.63 mm N/A 940 in·lb106.20 N·m
N/A 8JE-SLEEVE N/A 1.938 in N/A 8JE N/A JE N/A 5.060 in128.52 mm N/A EPDM N/A 2.500 in63.50 mm N/A 1475 in·lb166.66 N·m
N/A 9JE-SLEEVE N/A 2.375 in N/A 9JE N/A JE N/A 6.000 in152.40 mm N/A EPDM N/A 3.000 in76.20 mm N/A 2340 in·lb264.38 N·m
N/A 10JE-SLEEVE N/A 2.750 in N/A 10JE N/A JE N/A 7.060 in179.32 mm N/A EPDM N/A 3.440 in87.38 mm N/A 3735 in·lb422.00 N·m
N/A 3JES-SLEEVE N/A 0.875 in N/A 3JES N/A JES N/A 1.880 in47.75 mm N/A EPDM N/A 1.000 in25.40 mm N/A 78 in·lb8.81 N·m
N/A 4JES-SLEEVE N/A 1.000 in N/A 4JES N/A JES N/A 2.310 in58.67 mm N/A EPDM N/A 1.250 in31.75 mm N/A 156 in·lb17.63 N·m
N/A 5JES-SLEEVE N/A 1.188 in N/A 5JES N/A JES N/A 2.940 in74.68 mm N/A EPDM N/A 1.560 in39.62 mm N/A 312 in·lb35.26 N·m
N/A 6JES-SLEEVE N/A 1.438 in N/A 6JES N/A JES N/A 3.75 in95.25 mm N/A EPDM N/A 1.880 in47.75 mm N/A 585 in·lb66.09 N·m
N/A 7JES-SLEEVE N/A 1.625 in N/A 7JES N/A JES N/A 4.340 in110.24 mm N/A EPDM N/A 2.190 in55.63 mm N/A 940 in·lb106.20 N·m
N/A 8JES-SLEEVE N/A 1.938 in N/A 8JES N/A JES N/A 5.060 in128.52 mm N/A EPDM N/A 2.500 in63.50 mm N/A 1475 in·lb166.66 N·m
N/A 9JES-SLEEVE N/A 2.375 in N/A 9JES N/A JES N/A 6.000 in152.40 mm N/A EPDM N/A 3.000 in76.20 mm N/A 2340 in·lb264.38 N·m
N/A 10JES-SLEEVE N/A 2.750 in N/A 10JES N/A JES N/A 7.060 in179.32 mm N/A EPDM N/A 3.440 in87.38 mm N/A 3735 in·lb422.00 N·m
N/A 3JN-SLEEVE N/A 0.875 in N/A 3JN N/A JN N/A 1.880 in47.75 mm N/A Neoprene N/A 1.000 in25.40 mm N/A 60 in·lb6.78 N·m
N/A 4JN-SLEEVE N/A 1.000 in N/A 4JN N/A JN N/A 2.310 in58.67 mm N/A Neoprene N/A 1.250 in31.75 mm N/A 120 in·lb13.56 N·m
N/A 5JN-SLEEVE N/A 1.188 in N/A 5JN N/A JN N/A 2.940 in74.68 mm N/A Neoprene N/A 1.560 in39.62 mm N/A 240 in·lb27.12 N·m
N/A 6JN-SLEEVE N/A 1.438 in N/A 6JN N/A JN N/A 3.75 in95.25 mm N/A Neoprene N/A 1.880 in47.75 mm N/A 450 in·lb50.84 N·m
N/A 7JN-SLEEVE N/A 1.625 in N/A 7JN N/A JN N/A 4.340 in110.24 mm N/A Neoprene N/A 2.190 in55.63 mm N/A 725 in·lb81.91 N·m
N/A 8JN-SLEEVE N/A 1.938 in N/A 8JN N/A JN N/A 5.060 in128.52 mm N/A Neoprene N/A 2.500 in63.50 mm N/A 1135 in·lb128.24 N·m
N/A 3JNS-SLEEVE N/A 0.875 in N/A 3JNS N/A JNS N/A 1.880 in47.75 mm N/A Neoprene N/A 1.000 in25.40 mm N/A 60 in·lb6.78 N·m
N/A 4JNS-SLEEVE N/A 1.000 in N/A 4JNS N/A JNS N/A 2.310 in58.67 mm N/A Neoprene N/A 1.250 in31.75 mm N/A 120 in·lb13.56 N·m
N/A 5JNS-SLEEVE N/A 1.188 in N/A 5JNS N/A JNS N/A 2.940 in74.68 mm N/A Neoprene N/A 1.560 in39.62 mm N/A 240 in·lb27.12 N·m
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